/* ─── HERO SLIDER ─── */
.hero { position: relative; height: 100vh; min-height: 680px; overflow: hidden; }
.slides-container { position: relative; width: 100%; height: 100%; }
.slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity 1s ease; overflow: hidden; }
.slide.active { pointer-events: auto; }
.slide.active { opacity: 1; }
.slide-bg { position: absolute; inset: -5%; background-size: cover; background-position: center; transform: scale(1.05); transition: transform 8s ease; }
.slide.active .slide-bg { transform: scale(1); animation: slowZoom 12s ease forwards; }
@keyframes slowZoom { from { transform: scale(1.05); } to { transform: scale(1.13); } }
.slide-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(2,48,71,0.88) 0%, rgba(2,48,71,0.55) 60%, rgba(0,0,0,0.3) 100%); }
.slide-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(56,176,0,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(56,176,0,0.05) 1px, transparent 1px); background-size: 60px 60px; }
.slide-content { position: absolute; bottom: 0; left: 0; right: 0; top: 0; display: flex; flex-direction: column; justify-content: center; padding: 0 80px; max-width: 860px; }
.slide-tag { font-family: 'DM Sans', sans-serif; font-size: 1rem; font-weight: bold; letter-spacing: 3px; text-transform: uppercase; color: var(--green); opacity: 0; transform: translateY(20px); transition: all 0.6s ease 0.2s; margin-bottom: 16px; }
.slide-title { font-family: 'Poppins', sans-serif; font-size: clamp(2.2rem, 4vw, 3.8rem); font-weight: 800; line-height: 1.1; color: var(--white); opacity: 0; transform: translateY(30px); transition: all 0.7s ease 0.4s; margin-bottom: 12px; }
.slide-sub { font-family: 'Lora', serif; font-style: italic; font-size: 1.1rem; color: var(--green); opacity: 0; transform: translateY(20px); transition: all 0.6s ease 0.55s; margin-bottom: 20px; }
.slide-text { font-size: 1rem; line-height: 1.7; color: rgba(255,255,255,0.78); opacity: 0; transform: translateY(20px); transition: all 0.6s ease 0.7s; max-width: 520px; margin-bottom: 36px; }
.slide-btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 34px; background: var(--green); color: white; border-radius: 4px; font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 0.9rem; text-decoration: none; letter-spacing: 0.3px; opacity: 0; transform: translateY(20px); transition: all 0.6s ease 0.85s, background 0.3s, box-shadow 0.3s; width: fit-content; }
.slide-btn:hover { background: var(--green-light); box-shadow: 0 0 30px rgba(56,176,0,0.6); color: var(--blue); }
.slide-btn svg { transition: transform 0.3s; }
.slide-btn:hover svg { transform: translateX(4px); }
.slide.active .slide-tag,
.slide.active .slide-title,
.slide.active .slide-sub,
.slide.active .slide-text,
.slide.active .slide-btn { opacity: 1; transform: translateY(0); }
.slide-dots { position: absolute; bottom: 36px; left: 80px; display: flex; gap: 10px; z-index: 10; }
.dot { width: 28px; height: 3px; background: rgba(255,255,255,0.3); border-radius: 2px; cursor: pointer; transition: all 0.3s; }
.dot.active { background: var(--green); width: 52px; }
.slide-counter { position: absolute; bottom: 40px; right: 80px; font-family: 'Poppins', sans-serif; font-size: 0.85rem; color: rgba(255,255,255,0.5); z-index: 10; }
.slide-counter span { color: var(--green); font-weight: 700; }
.floating-papers { position: absolute; inset: 0; pointer-events: none; z-index: 2; overflow: hidden; }
.paper { position: absolute; border: 1px solid rgba(56,176,0,0.2); background: rgba(56,176,0,0.03); border-radius: 4px; animation: floatPaper linear infinite; }
@keyframes floatPaper { 0% { transform: translateY(100vh) rotate(0deg); opacity: 0; } 10% { opacity: 1; } 90% { opacity: 0.4; } 100% { transform: translateY(-10vh) rotate(360deg); opacity: 0; } }

/* ─── STATS BAR ─── */
.stats-bar { background: var(--blue); padding: 36px 80px; display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { text-align: center; border-right: 1px solid rgba(255,255,255,0.08); padding: 0 20px; }
.stat-item:last-child { border-right: none; }
.stat-num { font-family: 'Poppins', sans-serif; font-size: 2.2rem; font-weight: 800; color: var(--green); line-height: 1; margin-bottom: 6px; }
.stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.5); letter-spacing: 0.5px; }

/* ─── ABOUT ─── */
.about { background: var(--gray-soft); }
.about-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-visual { position: relative; }
.about-card { background: var(--white); border-radius: 20px; padding: 40px; box-shadow: var(--card-shadow); border: 1px solid var(--gray-mid); position: relative; overflow: hidden; }
.about-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--green), var(--green-light)); }
.about-icon-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.about-icon-item { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 20px 12px; background: var(--gray-soft); border-radius: 12px; text-align: center; }
.about-icon-item .icon { font-size: 28px; }
.about-icon-item span { font-size: 18px; font-weight: 600; color: var(--blue); }
.about-floating { position: absolute; bottom: -20px; right: -20px; background: var(--green); color: #fff; padding: 18px 24px; border-radius: 14px; box-shadow: 0 8px 32px rgba(56,176,0,0.35); font-family: 'Poppins', sans-serif; }
.about-floating .num { font-size: 28px; font-weight: 800; line-height: 1; }
.about-floating .lbl { font-size: 11px; opacity: 0.85; margin-top: 2px; }
.about-text p { font-size: 1.02rem; line-height: 1.8; color: var(--body-text); text-align:justify;}
.about-text p + p { margin-top: 16px; }
.about-highlights { display: flex; gap: 32px; margin-top: 32px; flex-wrap: wrap; }
.about-highlight { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--blue); }
.about-highlight::before { content: '✓'; width: 22px; height: 22px; border-radius: 50%; background: rgba(56,176,0,0.1); color: var(--green); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }

/* ─── FEATURES ─── */
.features { background: var(--blue); padding: 96px 5vw; }
.features-inner { max-width: 1200px; margin: 0 auto; }
.features-header { text-align: center; margin-bottom: 60px; }
.features-header .section-tag { color: var(--green-light); }
.features-header .section-tag::before { background: var(--green-light); }
.features-header h2 { color: var(--white); }
.features-header .section-sub { color: rgba(255,255,255,0.65); margin: 14px auto 0; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.feature-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; padding: 32px; transition: all 0.3s ease; position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; right: 0; width: 80px; height: 80px; background: radial-gradient(circle, rgba(56,176,0,0.15) 0%, transparent 70%); border-radius: 0 16px 0 0; }
.feature-card:hover { background: rgba(56,176,0,0.08); border-color: rgba(56,176,0,0.3); transform: translateY(-4px); }
.feature-icon { font-size: 28px; margin-bottom: 18px; }
.feature-card h3 { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1rem; color: #fff; margin-bottom: 12px; }
.feature-card p { font-size: 0.88rem; color: rgba(255,255,255,0.65); line-height: 1.7;text-align:justify; }

/* ─── SERVICES ─── */
.services-section { background: var(--off-white); }
.services-header { text-align: center; margin-bottom: 56px; }
.services-header .section-sub { margin: 0 auto; }

/* Slider wrapper */
.services-slider-wrap { position: relative; max-width: 1400px; margin: 0 auto; display: flex; align-items: center; gap: 16px; padding: 0 8px; }
.services-slider-viewport { overflow: hidden; flex: 1; }
.services-slider-track { display: flex; gap: 24px; transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1); will-change: transform; }

/* Arrow buttons */
.svc-arrow { flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%; border: 2px solid rgba(56,176,0,0.3); background: white; color: var(--blue); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.25s; box-shadow: 0 2px 12px rgba(2,48,71,0.08); }
.svc-arrow:hover { background: var(--green); border-color: var(--green); color: white; box-shadow: 0 4px 20px rgba(56,176,0,0.35); }
.svc-arrow:disabled { opacity: 0.35; cursor: default; pointer-events: none; }

/* Dots */
.svc-dots { display: flex; justify-content: center; gap: 8px; margin-top: 32px; }
.svc-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(56,176,0,0.25); border: none; cursor: pointer; transition: all 0.3s; padding: 0; }
.svc-dot.active { background: var(--green); width: 24px; border-radius: 4px; }

/* Cards */
.service-card { background: white; border-radius: 16px; padding: 36px 28px; border: 1px solid rgba(56,176,0,0.1); transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1); position: relative; overflow: hidden; cursor: default; flex: 0 0 calc(20% - 20px); min-width: 220px; }
.service-card::before { content: ''; position: absolute; inset: 0; border-radius: 16px; border: 2px solid var(--green); opacity: 0; transition: opacity 0.35s; }
.service-card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--green), var(--green-light)); transform: scaleX(0); transition: transform 0.35s; transform-origin: left; }
.service-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(56,176,0,0.12), 0 8px 24px rgba(2,48,71,0.08); }
.service-card:hover::before { opacity: 1; }
.service-card:hover::after { transform: scaleX(1); }

/* Highlight card (DOI for Articles) */
.service-card--highlight { background: linear-gradient(135deg, var(--blue) 0%, #034163 100%); border-color: rgba(56,176,0,0.4); }
.service-card--highlight .service-name { color: #fff; }
.service-card--highlight .service-desc { color: rgba(255,255,255,0.65); }
.service-card--highlight .service-icon { background: rgba(56,176,0,0.2); }
.service-card--highlight:hover { box-shadow: 0 20px 60px rgba(2,48,71,0.3), 0 0 0 2px var(--green); }
.service-card--highlight::after { background: linear-gradient(90deg, var(--green-light), var(--green)); }

/* Badge */
.service-badge { position: absolute; top: 16px; right: 16px; background: var(--green); color: #fff; font-family: 'Poppins', sans-serif; font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 3px 10px; border-radius: 100px; }

.service-icon { width: 56px; height: 56px; border-radius: 14px; background: linear-gradient(135deg, rgba(56,176,0,0.1), rgba(56,176,0,0.05)); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; transition: all 0.35s; }
.service-card:hover .service-icon { background: linear-gradient(135deg, var(--green), var(--green-dark)); }
.service-card--highlight:hover .service-icon { background: rgba(56,176,0,0.35); }
.service-icon svg { transition: all 0.35s; }
.service-card:hover .service-icon svg path,
.service-card:hover .service-icon svg rect,
.service-card:hover .service-icon svg circle,
.service-card:hover .service-icon svg line,
.service-card:hover .service-icon svg polyline { stroke: white; }
.service-name { font-family: 'Poppins', sans-serif; font-size: 1rem; font-weight: 700; color: var(--blue); margin-bottom: 12px; line-height: 1.3; }
.service-desc { font-size: 0.875rem; color: var(--gray); line-height: 1.65; }

/* ─── DOI SECTION ─── */
.doi-section { background: var(--blue); position: relative; overflow: hidden; padding: 120px 80px; text-align: center; }
.doi-canvas { position: absolute; inset: 0; opacity: 0.6; }
.doi-content { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; }
.doi-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(56,176,0,0.15); border: 1px solid rgba(56,176,0,0.4); border-radius: 50px; padding: 8px 20px; font-size: 0.8rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--green); margin-bottom: 36px; }
.doi-title { font-family: 'Poppins', sans-serif; font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 900; color: white; line-height: 1.1; margin-bottom: 28px; }
.doi-title em { font-style: normal; color: var(--green); }
.doi-text { font-size: 1.05rem; line-height: 1.75; color: rgba(255,255,255,0.65); margin-bottom: 48px; }
.doi-btn { display: inline-flex; align-items: center; gap: 10px; padding: 16px 40px; background: var(--green); color: white; border-radius: 4px; font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 0.95rem; text-decoration: none; transition: all 0.3s; }
.doi-btn:hover { background: var(--green-light); box-shadow: 0 0 40px rgba(56,176,0,0.5); color: var(--blue); }
.doi-float { position: absolute; font-family: 'Poppins', sans-serif; font-size: 0.75rem; font-weight: 600; color: rgb(100 221 44); letter-spacing: 1px; animation: floatDOI 8s ease-in-out infinite; pointer-events: none; }
@keyframes floatDOI { 0%, 100% { transform: translateY(0px); opacity: 0.35; } 50% { transform: translateY(-20px); opacity: 0.7; } }

/* ─── PROCESS ─── */
.process-section { background: white; text-align: center; }
.process-header { margin-bottom: 80px; }
.process-flow { display: flex; align-items: flex-start; justify-content: center; gap: 0; max-width: 1100px; margin: 0 auto 60px; position: relative; }
.process-step { flex: 1; display: flex; flex-direction: column; align-items: center; position: relative; }
.step-connector { position: absolute; top: 44px; left: 50%; right: -50%; height: 2px; background: linear-gradient(90deg, var(--green), rgba(56,176,0,0.2)); overflow: hidden; }
.step-connector::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, var(--green-light), transparent); animation: flowLine 2.5s linear infinite; }
@keyframes flowLine { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
.process-step:last-child .step-connector { display: none; }
.step-node { width: 88px; height: 88px; border-radius: 50%; background: white; border: 3px solid rgba(56,176,0,0.2); display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 4px; margin-bottom: 24px; position: relative; z-index: 1; transition: all 0.35s; box-shadow: 0 4px 20px rgba(56,176,0,0.08); }
.step-node:hover { border-color: var(--green); box-shadow: 0 0 0 8px rgba(56,176,0,0.1), 0 8px 32px rgba(56,176,0,0.2); transform: scale(1.08); }
.step-num { font-family: 'Poppins', sans-serif; font-size: 0.65rem; font-weight: 700; color: var(--green); letter-spacing: 1px; text-transform: uppercase; }
.step-title { font-family: 'Poppins', sans-serif; font-size: 1rem; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
.step-desc { font-size: 0.875rem; color: var(--gray); line-height: 1.6; max-width: 180px; margin: 0 auto; }
.process-outcome { display: inline-flex; align-items: center; gap: 14px; background: linear-gradient(135deg, var(--green), var(--green-dark)); color: white; padding: 18px 40px; border-radius: 50px; font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.05rem; box-shadow: 0 8px 40px rgba(56,176,0,0.35); animation: pulseBadge 3s ease-in-out infinite; }
@keyframes pulseBadge { 0%, 100% { box-shadow: 0 8px 40px rgba(56,176,0,0.35); } 50% { box-shadow: 0 8px 60px rgba(56,176,0,0.6), 0 0 0 12px rgba(56,176,0,0.08); } }
.decision-badges { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.badge { padding: 4px 12px; border-radius: 50px; font-size: 0.72rem; font-weight: 600; }
.badge-reject { background: rgba(220,50,50,0.1); color: #c0392b; }
.badge-revise { background: rgba(255,165,0,0.1); color: #e67e22; }
.badge-accept { background: rgba(56,176,0,0.1); color: var(--green-dark); }

/* ─── CONTACT SECTION (homepage) ─── */
.contact-section { background: linear-gradient(135deg, var(--gray-light) 0%, #edf5ed 100%); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; max-width: 1100px; margin: 0 auto; align-items: start; }
.contact-info { padding-top: 8px; }
.contact-title { font-family: 'Poppins', sans-serif; font-size: clamp(1.8rem, 2.5vw, 2.4rem); font-weight: 800; color: var(--blue); line-height: 1.2; margin-bottom: 20px; }
.contact-desc { font-size: 1rem; color: var(--gray); line-height: 1.7; margin-bottom: 48px; }
.contact-detail { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.contact-detail-icon { width: 44px; height: 44px; border-radius: 12px; background: white; border: 1px solid rgba(56,176,0,0.2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-detail-text { font-size: 0.9rem; color: var(--text-mid); }
.contact-detail-text strong { display: block; font-weight: 600; color: var(--blue); margin-bottom: 2px; }
.contact-form { background: white; border-radius: 20px; padding: 48px; box-shadow: 0 4px 40px rgba(2,48,71,0.08); border: 1px solid rgba(56,176,0,0.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--blue); margin-bottom: 8px; letter-spacing: 0.3px; }
.form-group input, .form-group textarea { width: 100%; padding: 13px 18px; border: 1.5px solid rgba(56,176,0,0.15); border-radius: 10px; font-family: 'DM Sans', sans-serif; font-size: 0.9rem; color: var(--text-dark); background: var(--off-white); outline: none; transition: all 0.25s; -webkit-appearance: none; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--green); background: white; box-shadow: 0 0 0 4px rgba(56,176,0,0.08); }
.form-group textarea { height: 120px; resize: none; }
.submit-btn { width: 100%; padding: 15px; background: linear-gradient(135deg, var(--green), var(--green-dark)); color: white; border: none; border-radius: 10px; font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 0.95rem; cursor: pointer; transition: all 0.3s; letter-spacing: 0.3px; }
.submit-btn:hover { box-shadow: 0 8px 32px rgba(56,176,0,0.4); transform: translateY(-2px); }

/* ─── FAQ ─── */
.faq-section { background: white; }
.faq-inner { max-width: 800px; margin: 0 auto; }
.faq-header { text-align: center; margin-bottom: 60px; }
.accordion-item { border-bottom: 1px solid rgba(56,176,0,0.12); overflow: hidden; }
.accordion-trigger { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-family: 'Poppins', sans-serif; font-size: 1rem; font-weight: 600; color: var(--blue); cursor: pointer; background: none; border: none; text-align: left; gap: 20px; transition: color 0.2s; }
.accordion-trigger:hover { color: var(--green); }
.accordion-icon { width: 28px; height: 28px; border-radius: 50%; border: 2px solid rgba(56,176,0,0.3); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: all 0.3s; color: var(--green); }
.accordion-item.open .accordion-icon { background: var(--green); border-color: var(--green); color: white; transform: rotate(45deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.23, 1, 0.32, 1); }
.accordion-body p { padding-bottom: 24px; font-size: 0.95rem; color: var(--gray); line-height: 1.75; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1200px) {
  .service-card { flex: 0 0 calc(33.333% - 16px); }
}

@media (max-width: 900px) {
  /* Hero */
  .slide-content { padding: 0 24px; max-width: 100%; }
  .slide-title { font-size: clamp(1.8rem, 5vw, 2.8rem); }
  .slide-text { font-size: 0.92rem; }
  .slide-dots { left: 24px; bottom: 28px; }
  .slide-counter { right: 24px; bottom: 32px; }

  /* Stats */
  .stats-bar { grid-template-columns: repeat(2, 1fr); padding: 24px; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 16px; }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.08); }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; }

  /* About */
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-floating { bottom: -10px; right: 0; }

  /* Features */
  .features { padding: 72px 24px; }
  .features-grid { grid-template-columns: 1fr 1fr; }

  /* Services */
  .service-card { flex: 0 0 calc(50% - 12px); }

  /* DOI */
  .doi-section { padding: 80px 24px; }
  .doi-float { display: none; }

  /* Process */
  .process-flow { flex-direction: column; align-items: center; gap: 28px; }
  .step-connector { display: none; }
  .process-outcome { font-size: 0.9rem; padding: 16px 24px; flex-wrap: wrap; justify-content: center; text-align: center; }

  /* Contact */
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { padding: 32px 24px; }
}

@media (max-width: 640px) {
  /* Hero */
  .hero { min-height: 540px; }
  .slide-content { padding: 0 16px; }
  .slide-title { font-size: clamp(1.5rem, 6vw, 2.2rem); }
  .slide-btn { padding: 12px 20px; font-size: 0.85rem; }
  .slide-dots { left: 16px; }
  .slide-counter { right: 16px; }

  /* Stats */
  .stats-bar { padding: 20px 16px; }
  .stat-num { font-size: 1.8rem; }

  /* Features */
  .features-grid { grid-template-columns: 1fr; }

  /* About */
  .about-icon-grid { grid-template-columns: 1fr 1fr; }
  .about-highlights { gap: 16px; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 16px; }
}

@media (max-width: 560px) {
  .service-card { flex: 0 0 100%; }
  .svc-arrow { display: none; }
}